What are changes in birds body that adopt them to areial habitat
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ADAPTATIONS FOR FLIGHT IN BIRDS :
(i) Streamlined body that provides minimum resistance during flight .
(ii) Four Limbs modified into wings to help them fly , glide or remain in air while hindlimbs are shifted forward to balance their body weight .
(iii) Hollow bones and lungs with air sacs. The air sacs ensure that oxygen required for energy release is abundant .
(iv) Presence of feathers that insulate them against the loss of body heat.
(i) Streamlined body that provides minimum resistance during flight .
(ii) Four Limbs modified into wings to help them fly , glide or remain in air while hindlimbs are shifted forward to balance their body weight .
(iii) Hollow bones and lungs with air sacs. The air sacs ensure that oxygen required for energy release is abundant .
(iv) Presence of feathers that insulate them against the loss of body heat.
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